Classifications

• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
  • F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
  • F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
  • F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
  • F02M21/0245—High pressure fuel supply systems; Rails; Pumps; Arrangement of valves
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • F02D—CONTROLLING COMBUSTION ENGINES
  • F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
  • F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
  • F02D19/0639—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed characterised by the type of fuels
  • F02D19/0642—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed characterised by the type of fuels at least one fuel being gaseous, the other fuels being gaseous or liquid at standard conditions
  • F02D19/0647—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed characterised by the type of fuels at least one fuel being gaseous, the other fuels being gaseous or liquid at standard conditions the gaseous fuel being liquefied petroleum gas [LPG], liquefied natural gas [LNG], compressed natural gas [CNG] or dimethyl ether [DME]
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • F02D—CONTROLLING COMBUSTION ENGINES
  • F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
  • F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
  • F02D19/0663—Details on the fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
  • F02D19/0684—High pressure fuel injection systems; Details on pumps, rails or the arrangement of valves in the fuel supply and return systems
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • F02D—CONTROLLING COMBUSTION ENGINES
  • F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
  • F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
  • F02D19/0663—Details on the fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
  • F02D19/0686—Injectors
  • F02D19/0692—Arrangement of multiple injectors per combustion chamber
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
  • F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
  • F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
  • F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
  • F02M21/0248—Injectors
  • F02M21/0251—Details of actuators therefor
  • F02M21/0254—Electric actuators, e.g. solenoid or piezoelectric
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
  • F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
  • F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
  • F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
  • F02M21/0248—Injectors
  • F02M21/0257—Details of the valve closing elements, e.g. valve seats, stems or arrangement of flow passages
  • F02M21/026—Lift valves, i.e. stem operated valves
  • F02M21/0263—Inwardly opening single or multi nozzle valves, e.g. needle valves
  • F02M21/0266—Hollow stem valves; Piston valves; Stems having a spherical tip
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
  • F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
  • F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
  • F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
  • F02M21/0248—Injectors
  • F02M21/0281—Adapters, sockets or the like to mount injection valves onto engines; Fuel guiding passages between injectors and the air intake system or the combustion chamber
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
  • F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
  • F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
  • F02M21/06—Apparatus for de-liquefying, e.g. by heating
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
  • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
  • Y02T10/00—Road transport of goods or passengers
  • Y02T10/10—Internal combustion engine [ICE] based vehicles
  • Y02T10/30—Use of alternative fuels, e.g. biofuels

Definitions

• the present invention relates to an engine gas fuel supply device that supplies gas such as LPG or CNG to an engine as a fuel, and in particular, a valve housing having a fuel inlet hole connected to a gas fuel tank at one end, and the valve A nozzle member provided at the other end of the housing, having a valve seat and a nozzle hole penetrating through the central portion of the valve seat, and slidably fitted in the guide hole of the valve housing, A valve body that cooperates to open and close the nozzle hole, a coil supported by the valve housing, and a fixed member that is connected to the valve housing and disposed inside the coil and faces the other end surface of the valve body.
• the nozzle hole Engine to comprise a gas fuel injection valve so as to supply a gas fuel, relates to an improvement of the gas fuel supply device for an engine.
• Patent Document 1 Japanese Utility Model Publication No. 5-78956
• the gas fuel filled in the gas fuel tank of a powerful engine gas fuel supply device is mixed with some amount of lubricating oil in the compressor used for the filling. For this reason, the oil supplied to the gas fuel injection valve from the gas fuel tank is slightly mixed, and the oil adheres to the valve seat of the gas fuel injection valve, the sliding surface of the valve body, etc. Sometimes. The adhering oil slows down the movement of the valve body, especially during cold weather when the oil viscosity rises, and hinders engine operation.
• the engine uses gasoline fuel when the engine is cold.
• the gas fuel is heated using the engine coolant in the vaporizer, and the temperature of the coolant is increased to a temperature at which the gas fuel can be vaporized. I am doing so.
• the gas fuel injection valve does not reach a high temperature, the high viscosity of the adhered oil will hinder the operation of the valve body.
• the engine gas fuel supply device disclosed in Patent Document 1 is provided with an evaporator that heats and vaporizes the fuel discharged from the gas fuel tank using engine cooling water. Even if the fuel is heated, as long as the gas fuel injection valve does not reach a high temperature, the attached oil in the gas fuel injection valve drops in temperature and remains in a high viscosity state, which may hinder the operation of the valve body. become.
• the present invention has been made in view of the energetic circumstances. After the engine is started, the valve seat of the gas fuel injection valve and the sliding portion of the valve body are heated at an early stage to adhere to them. It is an object of the present invention to provide a gas fuel supply device for an engine, in which the viscosity of oil is lowered and a gas fuel injection valve can be operated properly at an early stage.
• the present invention provides a valve housing having a fuel inlet hole connected to a gas fuel tank at one end, and a valve seat provided at the other end of the valve housing.
• a nozzle member having a nozzle hole that penetrates the valve portion, a valve body that is slidably fitted in the guide hole of the valve housing, and that opens and closes the nozzle hole in cooperation with the valve seat on one end surface;
• a return spring that urges the body toward the valve seat, and when the coil is excited, the fixed core sucks the valve body and separates the valve seat force to supply gas fuel to the nozzle hole force engine Engine equipped with gas fuel injection valve In the gas fuel supply apparatus, around the valve housing, heating the periphery of the valve seat and the guide hole
• the first feature is that a cooling chamber for the engine is passed through the heating chamber
• the present invention further includes an injection valve holder that is fitted to an outer periphery of the valve housing at a peripheral portion of the valve seat and the guide hole to hold the gas fuel injection valve.
• the second feature is that the heating chamber is formed in the valve holder.
• the present invention is configured such that the injection valve holder can hold a plurality of the gas fuel injection valves thereby, and the valve holder includes a plurality of the above-mentioned valve holders.
• a third feature is that a series of the heating chambers common to the gas fuel injection valves are formed. The invention's effect
• the heating chamber through which the cooling water of the engine passes allows the inner peripheral surface of the guide hole of the gas fuel injection valve, the outer peripheral surface of the valve body, and the peripheral portion of the valve seat to be effective. Therefore, when the oil adhering to them is also heated, the viscosity of the oil decreases, so that the malfunction of the gas fuel injection valve due to the adhering oil can be prevented.
• the heating chamber is formed in the valve holder that supports the gas fuel injection valve, it is not only necessary to provide a dedicated heating member having a heating chamber.
• the valve seat of the gas fuel injection valve and the periphery of the guide hole can be effectively heated to reliably prevent the malfunction of the gas fuel injection valve due to the adhered oil.
• the valve seats of the plurality of gas fuel injection valves and the guide holes are provided by a series of heating chambers provided in a common valve holder that supports the plurality of gas fuel injection valves.
• the peripheral part can be heated all at once, which can contribute to simplification of the heating structure and cost reduction.
• FIG. 1 is a system diagram of an engine fuel supply system according to an embodiment of the present invention. (First Example)
• FIG. 2 is a perspective view of the periphery of a gas fuel injection valve in the system. (First example)
• FIG. 3 is a view taken in the direction of arrow 3 in FIG. (First example)
• FIG. 4 is a cross-sectional view taken along the line 4 4 in FIG. (First example)
• FIG. 5 is an enlarged sectional view taken along line 5-5 in FIG. (First example) Explanation of symbols
• Heating chamber (second heating chamber)
• a plurality of intake pipes Ea, Ea ... (only one of them is shown in Fig. 1) on the side surface of the cylinder head of a multi-cylinder engine ⁇ corresponding to the number of cylinders.
• Gasoline fuel injection valves 1, 1 ... that can inject gasoline fuel toward the corresponding cylinders, and gas is injected as fuel into the corresponding cylinders.
• Gas fuel injection cylinders 2, 2 ... are installed.
• a known gasoline fuel supply device 3 is connected to the gasoline fuel injection valves 1, 1...,
• a gas fuel supply device 4 of the present invention that supplies gas such as LPG or CNG as fuel is connected to the gas fuel injection cylinder 2. Connected.
• This gas fuel supply device 4 includes a gas fuel tank 9 (in the illustrated example, filled with LPG liquid gas) and a first fuel passage 5 at the fuel outlet of the gas fuel tank 9.
• a vaporizer 6 connected to the fuel outlet, a fuel distribution pipe 8 connected to the fuel outlet of the centralizer 6 via a second fuel passage 7, and a plurality of distribution port tubes 8a, 8a of the fuel distribution pipe 8.
• the same number of gas fuel injection valves 10, 10... As those of the fuel injection cylinders 2, 2..., And the fuel outlets of these gas fuel injection valves 10, 10. Are connected to the fuel injection cylinders 2, 2...
• the standardizer 6 depressurizes and vaporizes high-pressure liquefied fuel delivered from the gas fuel tank 9 and includes a first heating chamber 12 for heating the vaporized fuel.
• the plurality of gas fuel injection valves 10, 10... are supported in a row on a common valve holder 14 having a bracket 14 a that is supported at an appropriate position of the engine E.
• 15 and a cooling water jacket 13 of the engine E is formed with a hot water passage for circulating the hot water absorbed by the water jacket 13.
• This hot water passage extends from the water jacket 13 and is connected to the first hot water passage 16 connected to the hot water inlet tube 12a of the vaporizer 6 and from the hot water outlet tube 12b of the vaporizer 6 to the hot water inlet tube of the valve holder 14.
• the second hot water passage 17 is connected to 15a
• the third hot water passage 18 extends from the hot water outlet tube 15b of the valve holder 14 and reaches the water jacket 13.
• a fuel cutoff valve 31 is provided in the first fuel passage 5, and a hot water cutoff valve 32 is provided in the third hot water passage 18.
• the electronic control unit 20 that controls the operation of the gasoline fuel injection valves 1, 1,..., The gas fuel injection valves 10, 10,.
• This gas fuel injection valve 10 has a cylindrical first housing part 43 and a front end part that is joined by force to the flange 43a at the rear end of the first housing part 43.
• the gas fuel injection valve 10 has a larger diameter than the first housing part 43.
• Cylindrical second housing A valve housing 42 including a housing portion 44 and a cylindrical third housing portion 45 having a smaller diameter than the second housing portion 44 and integrally connected to the rear end wall 44a of the second housing portion 44.
• the first to third housing parts 3 to 5 are all made of a magnetic material.
• the first housing portion 43 has a mounting hole 48 opened at the front end thereof and a guide hole 49 opened at the rear end and having a smaller diameter and longer than the mounting hole 48.
• An annular shim 50 and a disc-like nozzle member 51 are sequentially fitted in the hole 48 and fixed together by inward crimping of the front end edge of the first housing portion 43.
• an annular seal member 52 that is in close contact with the inner peripheral surface of the mounting hole 48 is attached to the outer periphery of the nozzle member 51.
• the annular shim 50 adjusts the fitting position of the nozzle member 51 by selecting the thickness.
• a valve body 55 is slidably received and held in the guide hole 49.
• the valve body 55 includes a flange portion 56, a short shaft portion 57, a first journal portion 58, a long shaft portion 57 and a second shaft portion from the front end side.
• a rubber seating member 60 bonded to the front end surface of the nozzle.
• the seating member 60 seats on or separates from the valve seat 53 to open and close the nozzle hole 54.
• Plunger 59 is made of magnetic material to serve as a movable core.
• the short shaft portion 57 and the long shaft portion 57 are formed by the first and second journals.
• the first and second journal portions 58 and 58 are formed to be sufficiently smaller in diameter than the first and second journal portions 58 and 58.
• Both 1 2 1 2 are slidably supported in the guide hole 49.
• a coil assembly 63 is accommodated in the second housing portion 44.
• the coil assembly 63 includes a bobbin 64, a coil 65 mounted on the outer periphery of the bobbin 64, and a resin mold portion 66 for embedding the coil 65 in the bobbin 64.
• An annular seal member 67 is interposed between the first housing portion 43 and the flange 43a.
• the rear end wall 44a of the second housing portion 44 is formed with a cylindrical fixed core 69 fitted to the inner peripheral surface of the bobbin 64, and seals the fitting portions.
• a seal member 68 is interposed between the bobbin 64 and the fixed core 69.
• the plunger 59 has a bobbin at its rear end.
• the plunger 59 has a longitudinal hole 70 whose rear end surface force ends before the flange portion 56, and the vertical hole 70.
• annular spring seat 72 facing the fixed core 69 is formed in the middle of the vertical hole 70.
• a support hole 75 communicating with the vertical hole 70 is formed from the fixed core 69 to the front half of the third housing part 45, and the rear half of the third housing part 45 is formed.
• an inlet hole 76 having a diameter larger than that of the support hole 75 is provided.
• the support hole 75 is inserted with a pipe-like retainer 77 that supports a return spring 73 that urges the valve body 55 toward the valve seat 53 with the spring seat 72. After adjusting the set load of the return spring 73, the retainer 77 is fixed to the third housing portion 45 by force application from the outer periphery of the third housing portion 45.
• Reference numeral 78 indicates the forceps.
• a fuel filter 79 is installed in the inlet hole 76.
• the rear end force of the second housing part 44 is stretched over the front half of the third housing part 45, covers the outer peripheral surface thereof, and forms a resin mold part 81 that is integrally provided with a force bra 80 on one side.
• the force bra 80 holds a current-carrying terminal 82 connected to the coil 65.
• a plurality of mounting holes 25, 25,... are formed corresponding to the plurality of gas fuel injection valves 10, 10,.
• the first nozzle 43 of the fuel injection valve 10 is fitted, and the fitting depth is regulated by the front end of the second housing 44 coming into contact with the valve holder 14.
• the inner peripheral surface of the mounting hole 25 is fitted to the outer peripheral surface of the first housing 43 adjacent to the guide hole 49 and the valve seat 53, and the second heating chamber 15 is connected to the mounting hole 25. It is formed on the valve holder 14 so as to be as close as possible to the inner peripheral surface. Therefore, when the valve holder 14 is heated by the hot water introduced into the second heating chamber 15, particularly the inner peripheral surface of the guide hole 49 and the peripheral portion of the valve seat 53 are effectively heated.
• the fuel distribution pipe 8 is formed with a pair of support bosses 26, 26 protruding between adjacent distribution port tubes 8 a, 8 a-, and stud bosses 27, 27 are planted on the end surfaces of these support bosses 26, 26.
• the fuel distribution pipe 8 is fastened to the valve holder 14 by hoofing.
• a joint pipe 83 is integrally formed on the front end surface of the nozzle member 51 so as to communicate the inside with the nozzle hole 54.
• the joint pipe 83 is connected to the corresponding fuel injection cylinder 2 via the pipe 11. Connected.
• the electronic control unit 20 operates the gasoline fuel supply device 3 to inject fuel into the intake pipes Ea, Ea ... from the gasoline fuel injection valves 1, 1 ... , Start engine E and let it warm up.
• the electronic control unit 20 controls the fuel cutoff valve 31 to be in an open state and the hot water cutoff valve 32 to be in an open state. Therefore, the cooling water of engine E circulates from the water jacket 13 to the water jacket 13 through the first heating chamber 12 of the vaporizer 6 and the second heating chamber 15 of the valve holder 14. When the operation ends, the cooling water absorbed by the water jacket 13 reaches a high temperature, so that the valve holder 14 and the vaporizer 6 reach a predetermined temperature.
• the electronic control unit 20 stops the operation of the gasoline fuel supply device 3, switches to the operation of the gas fuel supply device 4, opens the fuel cutoff valve 31, and releases the gas fuel injection valves 10, 10. Controls energization of the coil 65.
• the fuel supplied from the gas fuel tank 9 to the gas fuel injection valve 10 contains a little amount of oil, so that the gas fuel passes through the guide hole 49 and the valve seat 53.
• the oil contained in the oil may adhere to the inner peripheral surface of the guide hole 49, the outer peripheral surface of the valve body 55, the valve seat 53, etc.
• the gas fuel injection valves 10, 10, Since the valve holder 14 that supports the valve is heated by the cooling water of the engine E, the valve holder 14 includes the inner peripheral surface of the guide hole 49 adjacent to the second heating chamber 15, the outer peripheral surface of the valve body 55, and the valve seat.
• the periphery of 53 is effectively heated, and the oil adhering to them is also heated. As a result, the viscosity of the adhered oil decreases, and malfunction of the gas fuel injection valve 10 due to the adhered oil can be prevented.
• the second heating chamber 15 for heating the gas fuel injection valve 10 is formed in the valve holder 14 that supports the gas fuel injection valve 10. This means that it is not necessary to provide a member.
• the second heating chamber 15 includes a plurality of gas fuel injection valves 10, 10... In the valve holder 14 in order to heat the peripheral portions of the valve seats 53 and the guide holes 49 at once. Are formed along the direction of arrangement of the gas fuel injection valves 10, 10..., So that the heating structure can be simplified and the cost can be reduced.
• the electronic control unit 20 determines from the output signal from the engine temperature sensor 21 that the water temperature of the water jacket 13 has become equal to or higher than a predetermined value, the electronic control unit 20 closes the hot water shutoff valve 32. Therefore, excessive temperature rise in the second heating chamber 15 is suppressed, and overheating of the gas fuel injection valve 10 is prevented.

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• Engineering & Computer Science (AREA)
• Chemical & Material Sciences (AREA)
• Oil, Petroleum & Natural Gas (AREA)
• Combustion & Propulsion (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Chemical Kinetics & Catalysis (AREA)
• General Chemical & Material Sciences (AREA)
• Analytical Chemistry (AREA)
• Fuel-Injection Apparatus (AREA)

Priority Applications (3)

Applications Claiming Priority (2)

Publications (1)

Family

ID=38327367

Family Applications (1)

Country Status (7)

Cited By (2)

Families Citing this family (15)

Citations (2)

Family Cites Families (6)

• 2006
  • 2006-02-02 JP JP2006025914A patent/JP2007205276A/ja active Pending
• 2007
  • 2007-01-26 AU AU2007210674A patent/AU2007210674C1/en not_active Ceased
  • 2007-01-26 EP EP07707504.2A patent/EP1980740B1/en not_active Expired - Fee Related
  • 2007-01-26 PL PL07707504T patent/PL1980740T3/pl unknown
  • 2007-01-26 KR KR1020087018250A patent/KR20080087140A/ko not_active Application Discontinuation
  • 2007-01-26 CN CN2007800037860A patent/CN101375047B/zh not_active Expired - Fee Related
  • 2007-01-26 WO PCT/JP2007/051272 patent/WO2007088790A1/ja active Search and Examination

Patent Citations (2)

Non-Patent Citations (1)

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